Metalfrio VB50, VB12 Installation Manual

External Ilumination.

Troubleshooting and Procedures

Vertical

a) Model VB50/55/65 Procedure to replace the
fluorescent lamp (back-light)

1. Loosen the 4 screws and remove the upper

cover and the illuminated panel. Release the lamp
from the sockets .

2. Replace a new lamp and test.

3. Re-install panel, upper cover and tighten the 4

screws.

b) Model VB82 /99S - Procedure to replace the
fluorescent lamp

1. Loosen the screws from the endcaps.

2. Press down the frontal plastic and remove it.

3. Release the lamp from the sockets.

4. Replace a new lamp nd test.

5. Re-install the frontal plastic and endcaps.

Internal Ilumination.

a) Model VB50.- Procedure to change fluorescent
lamp from internal cabinet

1. Loosen the two screws and remove the lamp

protector . Release the lamp from the sockets.

2. Replace a new lamp and test.

3. Re-install the panel, lamp protector, and 2 screws.

Observation:

The lamps can be substituted without removal of
the shelves.

b) Model VB 12/28/40/43/46/55/65/99R/99S ­Procedure to change fluorescent lamp from
the internal cabinet.

1. Remove the lamp protector . Release lamp(s)

from the sockets.

2. Replace a new lamp and test.

3. Re-install the lamp protector.

Many times you can identify your product
problems. In following table you will find the
list of most common problems and
procedures to be taken.

Problems

Product does
not work
power

Does not cool

Noises
installatiom

Possible Causes Procedures

There is no power supply
keep

Voltage too high or low Install an automatic voltage regulator at

Fuses blown

Electric outlet poor contact Substitute electric outlet

Thermostat in off position Adjust as recommended

Excess door openings
/packages poor distribution

Incorrect installation

Product not leveled Adjust leveling or change place of

Start up after a period of
noise that tend to disappear.

If after checking the possible causes and
taken the recommended procedures the
product continue defective then call the
Technical Service.

Wait the return of the power supply and
the door closed.

recommended in the chapter electrical
installation.

Substitute fuse.

Control door openings
Redistribute the food packages

See Installation chapter

Installation requires 6 inches from the wallsBack too close to the wall

Glass Door Merchandiser

REF. ENG. 020123M243 M 04/06

Metalfrio Solutions S.A.

Av. Abrahão Gonçalves Braga, 412 Vila Liviero

São Paulo/SP l Brazil l ZIP 04186-220

5

www.metalfrio.com.br

e-mail: [e-mail]

l

Instructions Manual

Read this manual carefully before using the product

Safety Requirements Electric Installation

Thermostat

Door Loock for Loading

Procedures for changing
sliding doors and cleanning

!

Please read these instructions carefully.

!

This will help you to learn about your new

product to obtain the best performance
from it.

!

Whenever possible the installation shall be

made by Authorized Technical Service.

!

Please make sure that the power supply

corresponds to the voltage shown on the
electrical plug label. See the electric
diagram annex to the condensing unit.

!

Never use multiple electrical outlet to plug

in the product.

!

After unpacking the product, keep the

packing material out of the children's reach.

!

Do not install the product closed to

inflammable materials.

!

Do not store medicines, toxic or chemical

materials inside the cabinet.

Vertical Display Line

Installation

!

The product must be installed in an airy

space for plenty ventilation of the
condensing unit.

!

Do not install in a restricted, damp or poor

ventilated space such as laundry room.

!

Do not install the product near sources of

heat such as boilers, ovens, central heating
equipments and cookers or in direct
sunlight.

!

Install the product on a flat floor. It prevents

noises and damages to the compressor. If
the floor is not flat, use wedges to
compensate the level differences .

!

Do not obstruct the ventilation grilles of the

condensing unit maintaining minimum
distances of 6 inches from the walls.

All models:

1) Remove the screws that fix packing wood
base.

2) Install the castors that come in a bag inside
the product, screwing into the nuts of the
removed screws.

Acceptable Voltage Ranges:

Voltage (V) 115V

Minimum (V) 103V
Maximum (V) 127V

!

Before connecting the product to the power

supply, make sure that the voltage
corresponds to the voltage shown on the
rating plate and electrical plug label.

!

Be assured that the plug is properly

connected.

!

Do not use extensions.

!

See the electrical diagram annex to the

condensing unit.

!

For installation of new electrical outlet follow

the wire table bellow to connect to the
supply panel:

Wire
Section area/gage 127V

2.5 mm² up to
(12 AWG) 82 ft

4.0 mm²
(10 AWG) 83 to 135 ft

6.0 mm²
(8 AWG) 136 to 200 ft

!

In case the voltage shows abnormal

oscillations, frequently, use a voltage
regulator according to following table:

Models

VB12

VB28/32/40/43/46/50/
55/65/82/99

Automatic

Voltage Regulator

1000 VA

1500 VA

Important Recomendation

This equipment is intended for the storage
and display of nonpotentially hazardous
food and package products only.

!

If ambient relative humidity increases to 80%

it is normal some fog on the glass door.

!

All foods must be properly packed to be kept

in the cooler. (see “USE AND LOADING”
Chapter).

2

Seven control positions. Higher number means
lower temperature.
It has a “0” position to switch off the
compressor.

Recommended thermostat position:

Food packages : 5 position
Beverages: 5 6 position.

Shelves Assembly

!

Unpack the shelves

!

Fit the supports in the convenient positions.
Each shelf requires 4 supports.

Shelf Shelf Supports

Use and loading

!

Before the product is plugged in, clean the

inside of the cabinet using a solution of
sodium bicarbonate in warm water (one
spoon of sodium bicarbonate in 1 litre of
water).

!

The external cleaning should be made using

water and neutral soap.

!

Let the product work 4 hours before food

loading at first time or after defrost cleaning.

!

Never load hot food. Let it cool down at

ambient temperature.

!

Pack all food to be cooled in atoxic

polyethilene bags, aluminum paper or proper
plastic container.

!

Food quantity should be controlled, to

maintain some space between foods to avoid
blocking of the cold air circulation.

!

When power supply is interrupted avoid

opening the door(s).

!

To Lock

!

Keep the door fully opened

!

Turn the lock-nut in the counter-clockwise until

door is locked

To Unlock

!

Keep the door opened and turn clockwise the

lock nut in as shown in the pictures.

Remove the silicon springs from supports on

door sides. Hold the external door, with both
hands, raise the door, dislodge it from the
tracks and pull out . Do the same procedure
with the internal door.

!

To re-install the doors proceed in the following

way: fit the door in the upper track and then in
the bottom track. To assemble the silicon
springs pull the silicon springs to the original
position and fit in the supports. Repeat the
same operation for the other door.

Defrost and cleaning

Model VB use forced draft evaporator and defrost

Except Model VB12

Basic orientations about sliding
doors model VB99S and VB82S

!

This model has two sliding doors moving on

bottom tracks and a silicon springs system,
located in the upper part, for automatic door
closing.

!

Sliding doors have a door locking mechanism for

loading that does not require tools to actuate.

Loading Procedures

!

The lever for locking the doors is found in the

bottom part of the left door, in the opposite side
of the handle. Moving the left door fully to right,
turn clockwise the lever for locking both doors
together. The locked doors slide to right or left
side for loading easy access.

3 4

occur automatically when the thermostat cycles.
Defrost water is conducted to a recipient in the
lower part of the cabinet where it is evaporated.
Attention: Disconnect the power cord from the
electric outlet before the cleaning operation and
maintenance of the equipment such as
replacement of the fluorescent lamp.

Evaporator cleaning

!

Move the upper wire shelf/supports to the

highest position close to the evaporator.

!

Remove the 4 thumbscrews that fasten the

evaporator tray.

!

Pull the tray towards front of the cabinet and

disengage from frontal supports.

!

Place the evaporator tray on the wire shelf.

!

Use plastic bags to protect the evaporator fan

motor and thermostat.

!

Clean the evaporator with a light flush of water,

being careful not to wet any electrical
component, and after the cleaning drain the
water and dry the parts.

!

Remove the plastic bags, re-install the

shelf/supports and the screws.

WARNING: AVOID FLUSHING ELECTRICAL
COMPONENTS.

Inner Cabinet cleaning

Clean the internal cabinet with a cloth using a
solution of sodium bicarbonate and tepid water
(one spoon per litre of water). After cleaning,
dry carefully.
Remove the screws . Raise and disengage the
shelf supports for better and easier cleaning .

External cabinet cleaning

!

Never use detergents, abrasive solutions, steel

wool or cleaning brushes.

L

EE

E

ST

G

N

U

O

SP

!

For the external cleaning of the cabinet use

water and neutral soap.

!

Clean the condenser every six months To clean

the condenser disconnect the power cord and
wait until the fan is stopped and the
condenser tubes have cooled down.
Remove the protection
grill and use a vacuum
cleaner to clean the
condenser without
damaging to the
electrical wiring.